body {
    margin-top: 51px;
}

a:link, a:visited {
    text-decoration: none;
}

.mainPad {
    padding: 20px;
}

.subhead h2 {
    font-weight: bold;
    font-size: 40px;
    line-height: 1;
}

/* Sidebar navigation */
.nav-sidebar {
    margin-right: -21px; /* 20px padding + 1px border */
    margin-bottom: 20px;
    margin-left: -20px;
}

.nav-sidebar > li {
    border-radius: 4px;
    border: 1px solid #eee;
}

.nav-sidebar > li > a {
    padding-right: 20px;
    padding-left: 20px;
}

.nav-sidebar > .active > a,
.nav-sidebar > .active > a:hover,
.nav-sidebar > .active > a:focus {
    color: #fff;
    background-color: #428bca;
}

.sidebar .fa-chevron-right {
    float: right;
    margin-top: 2px;
    margin-right: -6px;
}

/** 图片列表的背景色  */
.bg-light {
    background-color: #f8f9fa;
}

.py-5 {
    padding-top: 3rem;
}

.card {
    position: relative;
    border: 1px solid #eee;
    border-radius: 4px;
    background-color: #fff;
    word-wrap: break-word;
    background-clip: border-box;
}

/** 每个图片盒子往下的距离 */
.mb-4 {
    margin-bottom: 1.5rem !important;
}

.card-body {
    padding: 10px;
    height: 180px;
    overflow-y: hidden;
}

.text-muted {
    font-size: 14px;
    color: #c9302c;
    font-weight: bold;
    float: right;
}

.empty-msg {
    text-align: center;
    color: red;
    font-size: 16px;
    font-family: Arial;
}

/** 标签 */

._box {
    margin-bottom: 15px;
    background-color: #f1e9e9;
    padding: 10px;
}

/** 标签标题 */
.tag_title {
    display: block;
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
}

.tag_item {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 10px;
    padding: 1px 10px;
    border: 1px solid #93D1FF;
    border-radius: 7px;
    font-size: 14px;
    height: 30px;
    line-height: 30px;
    background-color: #fff;
}

.tag_item i {
    padding-right: 6px;
}

.tag_item:hover {
    background-color: #93D1FF;
}

._btn {
    width: 100%;
    height: 50px;
    line-height: 50px;
    display: block;
    text-align: center;
    color: #fff;
    font-weight: 400;
    border-radius: 4px;
    font-size: 16px;
    position: relative;
}

._btn_green {
    background-color: #009588;
}

.pt15 {
    padding-top: 15px!important;
}